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Search: Posts Made By: sordids999
Forum: Troubleshooting TVs and Video Sources 10-09-2020, 03:07 PM
Replies: 9
Views: 192
Posted By sordids999
Re: LG 43uh620v 4 red lights, no Led backlight

Hi budm
The cathode is connected to the - pin of the connector
Forum: Troubleshooting TVs and Video Sources 10-08-2020, 03:25 PM
Replies: 9
Views: 192
Posted By sordids999
Re: LG 43uh620v 4 red lights, no Led backlight

I'll have to look and report back I've also looked and the writing on the diode is 6F J5
Forum: Troubleshooting TVs and Video Sources 10-08-2020, 03:50 AM
Replies: 9
Views: 192
Posted By sordids999
Re: LG 43uh620v 4 red lights, no Led backlight

Does anyone know what diodes these are ?
Forum: Troubleshooting TVs and Video Sources 10-07-2020, 02:20 PM
Replies: 9
Views: 192
Posted By sordids999
Re: LG 43uh620v 4 red lights, no Led backlight

Led voltages measuring 125v and slighlty fluctuating
Forum: Troubleshooting TVs and Video Sources 10-07-2020, 02:15 PM
Replies: 9
Views: 192
Posted By sordids999
Re: LG 43uh620v 4 red lights, no Led backlight

Hi
Need help with this model originally the screen had a blue tinge stripped the leds down and found most of the leds was blue but all was working,so ordered a set from aliexpress but never worked...
Forum: Troubleshooting TVs and Video Sources 07-18-2020, 03:53 PM
Replies: 7
Views: 363
Posted By sordids999
Re: HITACHI 55HK6T64U horizontal lines

11.4v even with both ribbon cables disconnected I decided to strip the screen apart to see if theres anything visibly wrong and noticed the majority of the backlights are giving of a blue light...
Forum: Troubleshooting TVs and Video Sources 07-13-2020, 01:33 AM
Replies: 7
Views: 363
Posted By sordids999
Re: HITACHI 55HK6T64U horizontal lines

Sorry been busy I'll check this week and update
Forum: Troubleshooting TVs and Video Sources 07-11-2020, 11:35 AM
Replies: 7
Views: 363
Posted By sordids999
Re: HITACHI 55HK6T64U horizontal lines

Video uploaded

https://youtu.be/INxS6q6T8Wo
Forum: Troubleshooting TVs and Video Sources 07-10-2020, 02:59 PM
Replies: 7
Views: 363
Posted By sordids999
HITACHI 55HK6T64U horizontal lines

Good evening
Recently acquired this TV 2 small faint lines going horizontally across the screen and middle of the screen has a ghosting,jumping image
Tested voltages 17ips20
Low voltages for...
Forum: Troubleshooting TVs and Video Sources 05-25-2020, 01:31 PM
Replies: 16
Views: 658
Posted By sordids999
Re: Panasonic tx-50cx802b backlight and sound but no picture

Update
Tcon arrived today and the tv is now back up and working and testing

Thanks for your help
Forum: Troubleshooting TVs and Video Sources 05-21-2020, 10:04 AM
Replies: 16
Views: 658
Posted By sordids999
Re: Panasonic tx-50cx802b backlight and sound but no picture

Sorry for the late reply but with all 4 ribbons disconnected it's the same readings

Thanks
Forum: Troubleshooting TVs and Video Sources 05-20-2020, 11:15 AM
Replies: 16
Views: 658
Posted By sordids999
Re: Panasonic tx-50cx802b backlight and sound but no picture

Sorry I'm away at the moment I'll check in the morning
Forum: Troubleshooting TVs and Video Sources 05-19-2020, 11:10 AM
Replies: 16
Views: 658
Posted By sordids999
Re: Panasonic tx-50cx802b backlight and sound but no picture

I will do thanks
Theres a few tcons on Ebay quoted as refurbished and spoken to a seller who's told me the screens are poor on these TVs as well
Forum: Troubleshooting TVs and Video Sources 05-19-2020, 09:12 AM
Replies: 16
Views: 658
Posted By sordids999
Re: Panasonic tx-50cx802b backlight and sound but no picture

This is all I could find on the tcon

Vgl 0.35v
Vghp 0.00v
V12m 0.00v
V33dr 0.58v
Main tcon fuse 12v
Forum: Troubleshooting TVs and Video Sources 05-18-2020, 12:09 PM
Replies: 16
Views: 658
Posted By sordids999
Re: Panasonic tx-50cx802b backlight and sound but no picture

Thanks hamie I'll check
Dick barton no errors it flashes green and stays green as if the tv is working fine
Forum: Troubleshooting TVs and Video Sources 05-18-2020, 10:02 AM
Replies: 16
Views: 658
Posted By sordids999
Re: Panasonic tx-50cx802b backlight and sound but no picture

Picture uploaded of tcon board
I have tried removing two ribbons at a time but still nothing shows up on the screen

thanks
Forum: Troubleshooting TVs and Video Sources 05-16-2020, 03:59 AM
Replies: 16
Views: 658
Posted By sordids999
Forum: Troubleshooting TVs and Video Sources 05-16-2020, 03:48 AM
Replies: 16
Views: 658
Posted By sordids999
Panasonic tx-50cx802b backlight and sound but no picture

Hi
Bit stumped with this tv
Backlights come on and have sound but no picture
I have even removed each tcon ribbon just to eliminate the screen but nothing
Tcon fuse 12v both sides
Psu ...
Forum: Troubleshooting TVs and Video Sources 05-15-2020, 01:14 PM
Replies: 24
Views: 974
Posted By sordids999
Re: Panasonic TX-55CX400B backlights flashing on and off

Yes tested the batterys and there fine tried a few panasonic remotes but no luck
And nothing on the led sensor to show the remote is working at the present time I'm having to use the side controls
Forum: Troubleshooting TVs and Video Sources 05-15-2020, 07:35 AM
Replies: 24
Views: 974
Posted By sordids999
Re: Panasonic TX-55CX400B backlights flashing on and off

Just an update on my repair x5 leds out which I replaced due to you cant buy any new sets anywhere
But only issue now is I cant get any panasonic remote to work I have even replaced the sensor but...
Forum: Troubleshooting TVs and Video Sources 04-26-2020, 02:34 AM
Replies: 24
Views: 974
Posted By sordids999
Re: Panasonic TX-55CX400B backlights flashing on and off

The strange part is if I swap the 17ips20 which as you can see in the picture has taken alot of heat in the top right with another 17ips20 but slightly different I'm now getting a dark patch in the...
Forum: Troubleshooting TVs and Video Sources 04-25-2020, 12:05 PM
Replies: 24
Views: 974
Posted By sordids999
Forum: Troubleshooting TVs and Video Sources 04-25-2020, 11:59 AM
Replies: 24
Views: 974
Posted By sordids999
Forum: Troubleshooting TVs and Video Sources 04-25-2020, 11:55 AM
Replies: 24
Views: 974
Posted By sordids999
Re: Panasonic TX-55CX400B backlights flashing on and off

Backlights working but sometimes the backlight will go off
17ips20 low voltages across most caps
Led voltages upon turning on the tv will jump to 155 volts but does not drop
Led - 10v led +...
Forum: Troubleshooting TVs and Video Sources 02-10-2020, 06:20 AM
Replies: 5
Views: 307
Posted By sordids999
Re: Ue49m5500 no picture but backlights

Both lvds ribbons connected no voltages on the following pins in the picture
With the left ribbon disconnected voltages are good of the tcon
Showing results 1 to 25 of 500

 
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